Home / 1,331,640.52-1,836,428.70-847,701.16

Finding the Fourth Proportional to 1,331,640.52, 1,836,428.70 and 847,701.16

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Solution

The fourth proportional to 1,331,640.52, 1,836,428.70 and 847,701.16 is: 1,169,041.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,640.52 : 1,836,428.70 = 847,701.16 : x
  2. Step 2: Convert to fraction form
    1,331,640.52/1,836,428.70 = 847,701.16/x
  3. Step 3: Cross multiply
    1,331,640.52x = 1,836,428.70 × 847,701.16
  4. Step 4: Simplify right side
    1,331,640.52x = 1,556,742,739,247.29
  5. Step 5: Solve for x
    x = 1,556,742,739,247.29/1,331,640.52
  6. Step 6: Final answer
    x = 1,169,041.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.